7 DIGITAL OUTPUTS..................................................................................... 21
8 DIGITAL INPUTS......................................................................................... 22
8.1 Digital I/O Connection Examples.................................................................. 24
9 COUNTER INPUTS ..................................................................................... 25
9.1 Counter Input 0 ............................................................................................ 25
9.2 Turbine Meter Counter Inputs 1 and 2 ......................................................... 25
9.2.1 Directly Connecting to Low Voltage Turbine Meters ............................... 26
9.2.2 Connecting to Higher Voltage Turbine Meters ........................................ 27
9.2.3 Connecting to Open Collector / Dry Contact Turbine Meters.................. 28
10 SERIAL COMMUNICATION........................................................................ 29
10.1 RS-232 Serial Communications Ports.......................................................... 29
10.1.1 COM2 RS-232 Serial Port....................................................................... 29
10.1.2 COM3 RS-232 Serial Port....................................................................... 32
10.1.3 RS-232 Wiring Examples........................................................................ 35
10.1.4 RS-232 Cables ....................................................................................... 36
10.2 RS-485 Serial Communication Ports............................................................ 37
10.2.1 COM1 RS-485 Serial Port....................................................................... 37
10.2.2 COM2 RS-485 Serial Port....................................................................... 38
10.2.3 RS-485 Bias Resistors............................................................................ 40
10.2.4 RS-485 Termination Resistors................................................................ 40
10.2.5 RS-485 Wiring Examples........................................................................ 41
11 ETHERNET COMMUNICATION.................................................................. 42
11.1 LAN Port Settings......................................................................................... 42
11.1.1 TCP/IP Settings ...................................................................................... 42
11.1.2 Modbus/TCP Settings............................................................................. 42
11.2 RJ-45 Modular Connector for Ethernet ........................................................ 43
12 USB PORTS ................................................................................................ 45
12.1 USB Connections......................................................................................... 45
12.1.1 Host Port................................................................................................. 45
12.1.2 Peripheral Port........................................................................................ 45
SCADAPack 350 Hardware Manual
February 14, 2007
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